Pith Number

pith:X2KYOXBF

pith:2017:X2KYOXBF2CK77VBXNIQZUNHZGD

not attested not anchored not stored refs pending

Level set flow in 3D steady gradient Ricci solitons

Chih-Wei Chen, Kuo-Wei Lee

arxiv:1709.00143 v1 · 2017-09-01 · math.DG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{X2KYOXBF2CK77VBXNIQZUNHZGD}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T00:36:13.279202Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

be95875c25d095ffd4376a219a34f930c6d7a8f8cf8e26b2dc8efcf5c9960bc0

Aliases

arxiv: 1709.00143 · arxiv_version: 1709.00143v1 · doi: 10.48550/arxiv.1709.00143 · pith_short_12: X2KYOXBF2CK7 · pith_short_16: X2KYOXBF2CK77VBX · pith_short_8: X2KYOXBF

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/X2KYOXBF2CK77VBXNIQZUNHZGD \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: be95875c25d095ffd4376a219a34f930c6d7a8f8cf8e26b2dc8efcf5c9960bc0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5bac8bfe3046eab949aa007dc579d2fbb4faf96ffa41167a5d690b7ed33e83bc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2017-09-01T03:36:20Z",
    "title_canon_sha256": "898c0844d9009856f77f4616d7ab840cd261aab9f5a475dba0b31c0a4b35d609"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.00143",
    "kind": "arxiv",
    "version": 1
  }
}